CVE-2001-1559

Public Exploit

Description

The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.iss.net/security_center/static/7690.php vdb entry broken link
http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html mailing list exploit broken link
http://monkey.org/openbsd/archive/tech/0112/msg00015.html mailing list exploit broken link

Frequently Asked Questions

What is the severity of CVE-2001-1559?
CVE-2001-1559 has been scored as a medium severity vulnerability.
How to fix CVE-2001-1559?
To fix CVE-2001-1559, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2001-1559 being actively exploited in the wild?
It is possible that CVE-2001-1559 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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